资料来源 : pyDict

处心积虑的

资料来源 : Webster's Revised Unabridged Dictionary (1913)

Deep-laid \Deep"-laid`\, a.
   Laid deeply; formed with cunning and sagacity; as, deep-laid
   plans.

资料来源 : WordNet®

deep-laid
     adj : secretly and carefully planned; "deep-laid plans"